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2421880 = 235191317
BaseRepresentation
bin1001001111010001111000
311120001012021
421033101320
51110000010
6123524224
726404606
oct11172170
94501167
102421880
11140465a
12989674
1366a486
14470876
1532c8da
hex24f478

2421880 has 32 divisors (see below), whose sum is σ = 5495040. Its totient is φ = 960640.

The previous prime is 2421847. The next prime is 2421893. The reversal of 2421880 is 881242.

2421880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7482 + ... + 7798.

It is an arithmetic number, because the mean of its divisors is an integer number (171720).

22421880 is an apocalyptic number.

2421880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421880 is an abundant number, since it is smaller than the sum of its proper divisors (3073160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421880 is a wasteful number, since it uses less digits than its factorization.

2421880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2421880 is about 1556.2390561864. The cubic root of 2421880 is about 134.2922262896.

It can be divided in two parts, 24 and 21880, that added together give a square (21904 = 1482).

The spelling of 2421880 in words is "two million, four hundred twenty-one thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 191 317 382 634 764 955 1268 1528 1585 1910 2536 3170 3820 6340 7640 12680 60547 121094 242188 302735 484376 605470 1210940 2421880